An interesting looking idea that I have not tried which the
extreme programming folks mention is to have a group of
people stand in a circle with a ball. Each person is an
object, and as they make method calls they pass the ball
(to represent passing a message).
Even if you are working by yourself, you might try to get
a few friends to help you with this exercise just for
Apparently this gives a lot of insight into what the
bottlenecks will be in real life and how it will work.
It also plays well into a tidbit I learned a long time
ago about memory. People who study memory techniques
claim that the bigger you make a visualization, and the
more senses you get involved, the better your brain is
at working with the image, and the better you will be
able to remember it later. For instance imagining walking
into a room and looking around is far better than
imagining holding a model of the room and peering in.
Well the visualization of standing in a circle, throwing
things, for the model of how a program works is a pretty
big visualization that involves lots of your senses...
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